Hearing aid drying appliance



FIG. 1 is a perspective view of a hearing aid drying appliance showing my new design;

FIG. 2 is a right side elevation view of FIG. 1, with the left side elevation being a mirror image;

FIG. 3 is a rear elevation view thereof; and,

FIG. 4 is a bottom view thereof. 

The ornamental design for a hearing aid drying appliance, as shown and described. 